M-173 (Michigan)
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M-173 was the designation given to two former state trunklines in the U.S. state of Michigan:
- M-173 (1930s Michigan) near Orleans in Ionia County
- M-173 (1939–1972 Michigan) in Menominee
Browse numbered routes | ||||
---|---|---|---|---|
← M-172 | MI | → M-174 |